113220331 has 12 divisors (see below), whose sum is σ = 133867920. Its totient is φ = 95452560.

The previous prime is 113220313. The next prime is 113220353. The reversal of 113220331 is 133022311.

It is not a de Polignac number, because 113220331 - 2⁷ = 113220203 is a prime.

It is a super-2 number, since 2×113220331² = 25637686703499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113220301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15951 + ... + 21928.

It is an arithmetic number, because the mean of its divisors is an integer number (11155660).

Almost surely, 2^113220331 is an apocalyptic number.

113220331 is a deficient number, since it is larger than the sum of its proper divisors (20647589).

113220331 is an equidigital number, since it uses as much as digits as its factorization.

113220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37954 (or 37947 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113220331 is about 10640.5042643664. The cubic root of 113220331 is about 483.7728298377.

Adding to 113220331 its reverse (133022311), we get a palindrome (246242642).

The spelling of 113220331 in words is "one hundred thirteen million, two hundred twenty thousand, three hundred thirty-one".